bbbb bbbs bbch bbhs bbrc bcbc bcbs bccc bccs bchs bcor bcos bcrs bcsc bcsn bcss bhcc bhhs bhor bnhs bnoc bnor bnrr bnss bobb bobo bobs boch boco bocs bohn boho bohr bohs bonc bonn bono bons boob booc booh boon boor boos bor- borh born boro borr bors bosc bosh bosn boso boss brcb brhs brno brns brob broc broh bron broo bror bros brrr brrs brsb brsr bscs bshs bsns bson bsos bssc c-bo cbbc cbbs cbcc cbcn cbcr cbcs cbhs cbrh cbrn cbsc cbsn ccbc ccbn cccb cccc cccs cchr cchs ccnb ccnc ccnr ccns ccob ccoc ccrc ccrs ccsn ccss chch chcs chhs chnb chnc chno chnr chns choc choh chon choo chor chos chrb chrc chrn chro chrr chrs chsc chsh chsr cnbc cnco cnhs cnoh cnrc cnrr cnss cobb cobh cobo cobs coch coco cohn coho cohs con- conc conn cono cons coob cooh coon coos cor- corb corc corn coro corr cors cosc cosh coso coss crbc crcc crcr crhs crns crob croc croh cron croo cror crss cscb cscc csch csco cscr cscs cshs csob csor csos csrc csrs cssr hbbs hbhs hboc hbos hbrs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hhhh hhhs hncs hnhs hobo hobs hoch hocn hocr hocs hohn hoho hono hons hoon hoor hoos horc horn horo horr hors hosh hoss hrhs hrob hron hros hrrc hrso hsbc hscc hscn hshs hsob hson nbbc nbbo nbcc nbco nbcs nbhs ncbc ncbs nccc nccn nccr nccs nchc nchs ncnc ncoc ncor ncos ncrc ncsc ncss nhcc nhhs nhnn nhon nhrc nhsc nnhs nnnn nnos nnss nobc nobo nobs noch noco nocs nohn noho nohs non- nonn nono nons noo- noob noon nooo noor noos nor- norb norc norn noro norr nors nos- nosh noss nrcs nrhs nroc nron nrrc nrsc nsbo nscc nscs nshs nsnr nsos nsrc nssb nssc nsso nssr nsss obbo obhs obon obor obos obrh obro obsn obsr obss ocbc occc occn ochs ocon ocos ocro ocrr ocrs ohcc ohho ohhs ohno ohob ohoh ohos ohrn ohso ohss onc- onco onno onon onor onos onsc onso oocr ooho oohs oons oooh oooo ooos orbb orbo orbs orch orco orcs orhs ornc orno orns oro- oron oror oros orro orrs orso oscc osco oshc osho oshs osno osnr osoo osor osos osro ossb osso rbbb rbbr rbbs rbhs rboh rbss rcbc rcbo rccb rccc rccs rchb rchs rcnr rcon rcos rcsc rcss rhhs rhob rhoc rhoh rhon rhos rnbr rnco rncs rnsh rob- robb robo robs rocc roch roco rocs rohn rohr rohs ronc rono rons roob roon roor roos rorc roro rosc rosh roso ross rrhs rrrr rscc rsch rscn rscs rshs rsnn rsno rsnr rsos s-os sbbs sbcc sbcs sbhc sbhs sbor sccc sccs sch- schh scho schr schs scnr scob scoh scon scoo scor scr- scrc scrn scrs scsc scsh scsn scso scsr shbs shcc shhh shhs shon shoo shor shos shrs shsc sncc snco snhs snns snob snoc snoo snor snos snrs sobo sobr sobs soch soco socr socs sohh sohn soho sohs son- sono sons soon soor soos sorb sorh sorn soro sorr sors sosh soso soss srbc srcc srch srhs srnn srno sros ssbn ssbr sscc sscs sshs ssns ssoc ssrc ssrs sssb sssc sssh ssss